Announcements

It is our great honor to congratulate the publications that have been distinguished as highly cited papers by Clarivate in 2020–2021, according to the Web of Science data. As of September/October 2021, these highly cited papers received enough citations to place them in the top 1% of the academic field of geosciences, based on a high citation threshold for the field and the publication year analyzed in the "Essential Science Indicators", distinguishing them as hugely influential within their research area.

“Modeling Pan Evaporation Using Gaussian Process Regression K-Nearest Neighbors Random Forest and Support Vector Machines; Comparative Analysis”
Shabani, S.; Samadianfard, S.; Sattari, M.T.; Mosavi, A.; Shamshirband, S.; Kmet, T.; Várkonyi-Kóczy, A.R.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/11/1/66

“COVID-19 and Air Pollution: Measuring Pandemic Impact to Air Quality in Five European Countries”
Skirienė, A.F.; Stasiškienė, Ž.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/12/3/290

“Temporal Changes in Ozone Concentrations and Their Impact on Vegetation”
Juráň, S.; Grace, J.; Urban, O.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/12/1/82

“Spectral Analysis of Gravity Waves from Near Space High-Resolution Balloon Data in Northwest China”
He, Y.; Sheng, Z.; He, M.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/11/2/133

“Quantifying the Impact of the COVID-19 Lockdown Measures on Nitrogen Dioxide Levels throughout Europe”
Solberg, S.; Walker, S.-E.; Schneider, P.; Guerreiro, C.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/12/2/131

“Regional Scale Impact of the COVID-19 Lockdown on Air Quality: Gaseous Pollutants in the Po Valley, Northern Italy”
Lonati, G.; Riva, F.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/12/2/264

“NOx Emission Reduction and Recovery during COVID-19 in East China”
Zhang, R.; Zhang, Y.; Lin, H.; Feng, X.; Fu, T.-M.; Wang, Y.
Available online: https://0-www-mdpi-com.brum.beds.ac.uk/2073-4433/11/4/433